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Name
Date
Section 14.4 The Human Factor
Main Idea
Impact of Human
Activities
Use with page 377.
(continued)
Details
List two causes for rising levels of atmospheric carbon dioxide.
1.
2.
Relate how deforestation plays a role in increasing levels of
atmospheric CO2.
Describe four easy ways to conserve energy.
1.
2.
3.
4.
S YNTHESIZE
In 1988, most of the trees in heavily forested Yellowstone
National Park burned. Although it is environmentally sound to let trees burn in
order to re-forest, describe the effect that losing so many trees could have on global
warming. Explain your reasoning.
Climate
165